Massage brush



June 11, 1935. c, MILLER 2,004,633

MASSAGE BRUSH Original Filed March 14, 1933 ill I Fig. 2

INVENTOR am wM k his ATTORNEY.

Patented June 11, 1935 r 2,004,633

UNITED STATES PATENT OFFICE MASSAGE BRUSH Samuel Charles Miller, New York, N. Y., assignorv of one-half to John A. Weis, New York, N. Y.

Application March 14, 1933, Serial No. 660,639

Renewed October 27, 1934 3 Claims. (Cl. 15-167) This invention relates to improvements in In the form of the invention, illustrated, there massage brushes, and its main object is to proare three rows of bristle tufts indicated at 3, 4, vide a brush of this type with which the gingival and (Fig. 2), which are arranged to extend tissues of an individual may be properly stimulengthwise or longitudinally on the brush head 5 lated or exercised. The present type of tooth portion 2. The outer rows of tufts 3 and 5 are 5 brush, with flat surfaced bristling, is not adaptable set in the head to incline toward the central row 4, to this purpose because of the difficulty incurred so that the tips of the outer'rows press against in tilting the brush correctly in the mouth and the respective sides of the central row. The centhe tendency of the patient to employ the brush tral tufts extend above the outer rows of tufts,

as a scrubbing instrument, as it has become genas indicated at ii and form, therewith, a bristle to erally used upon the teeth, thereby causing injury surface, a cross section of which takes the shape to the gingival tissues. In order to overcome of an inverted V. It will be noted that the highest these disadvantages, a brush, constructed in ac point or apex of the brushing surface, defined by cordance with the present invention, does not the central bristle tufts, is substantially a straight have an exterior flattened surface formed at the line, as indicated at l, in Fig. 1. The angle of 1.3 tips of the bristles. The bristle surface, in this inclination of the outer tufts upon the brush head instance, is made in an invertedv formation, that 2, is preferably 45 degrees, inasmuch as, at this is, a transverse section of the brush bristles would an le maximum st mul i n of the tissues can be appear in such a manner, and the apex, or tip, of obtained. In using this brush the inclined brushthe bristling presents substantially aline surface. ing surface at either side of the tuft apex I is 20 The bristles are preferably very rigid, so as to employed to achieve the desired effect. permit the lateral pressure, exerted by the in- Having thus described my invention, what I clined bristle surface at the side of the V formaclaim as new, and desire to secure by Letters tion, to accomplish the result, rather than the tip Patent is:

portion of the bristles. It is obvious that with 1. A massage brush having three longitudinal 25 this type of brush there will be no tendency, on rows of bristle tufts located in the head thereof, the part of the user, to scrub the gingival tissues, the outer rows being arranged to support the but that a sweeping movement of the brush over central row and form therewith a brushing surthe tissues would be employed, which is desired. face of an inverted V cross section.

In the accompanying drawing, which illustrates 2. A massage brush having rows of bristle tufts 30 the preferred embodiment of the invention, Fig. 1 located in the head thereof to form an inverted is a plan view of the massage brush; Fig. 2 is a V brushing surface, the outer rows of tufts being transverse sectional view taken through the head inclined so that the tips thereof press against portion of the brush and showing the arrangethe sides of the centrally located tufts and form ment of the bristle tufts therein; and, Fig. 3 is a support therefor. v I 35 a side elevation of the brush. 3. A massage brush having three longitudinal Referring to the drawing, a brush, embodying rows of bristle tufts located in the head thereof, the present inventive conception, comprises a the outer rows of tufts being inclined so that the handle portion l, and a head portion 2, in which tips thereof press against the sides of the central 40 last portion the bristle tufts are firmly imbedded. row of tufts and forms therewith a brushing sur- 40 The handle and head of the brush may be conface, a cross section of which is an inverted V structed in any desired or well-known manner and shape. of a suitable material to grip the bristle tufts. SAMUEL CHARLES MILLER. 

